Fix API compatibility and add user/role/permission and asset import/export

backend/run.py

@@ -0,0 +1,14 @@
+"""
+开发服务器启动脚本
+"""
+import uvicorn
+from app.core.config import settings
+
+if __name__ == "__main__":
+    uvicorn.run(
+        "app.main:app",
+        host=settings.HOST,
+        port=settings.PORT,
+        reload=settings.DEBUG,
+        log_level=settings.LOG_LEVEL.lower()
+    )